<?xml version="1.0" encoding="utf-8"?> <PropertyList> <name>Effects/ws30-railway</name> <inherits-from>Effects/terrain-default</inherits-from> <parameters> <speed-factor>0.8</speed-factor> <base-density>0.25</base-density> </parameters> <technique n="3"> <!-- Disable the ultra technique as it doesn't work in WS30--> <predicate n="0"> <and> <equal> <value type="float">2.0</value> <value type="float">1.0</value> </equal> </and> </predicate> </technique> </PropertyList>